Extraction of Sunspots from Chinese Sunspot Drawings Based on Semisupervised Learning
China has six observing stations, providing over 52,000 handwritten sunspot drawings from 1947–2016. The observing stations are the Purple Mountain Astronomical Observatory (PMO), Yunnan Astronomical Observatory (YNAO), Qingdao Observatory Station (QDOS), Sheshan Observatory Station (SSOS), Beijing...
| Main Authors: | , , , , , |
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| Formato: | Artigo |
| Idioma: | English |
| Publicado: |
IOP Publishing
2024-01-01
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| Series: | The Astrophysical Journal |
| Subjects: | |
| Acceso en liña: | https://doi.org/10.3847/1538-4357/ad4865 |